Patents by Inventor Yuuji Enoguchi

Yuuji Enoguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Developing apparatus
    Patent number: 4827305
    Abstract: The disclosure relates to a developing apparatus comprising a photosensitive drum, a developing roller and a gap restricting member provided between the photosensitive drum and the developing roller for restricting a minute gap therebetween.Another embodiment discloses a developing apparatus which comprises a developing roller having an elastic roller and a restricting roller harder than the elastic roller and provided on the same shaft as the elastic roller at each side thereof. The restricting roller has a diameter equal to or smaller than that of the elastic roller when the elastic roller is unloaded.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: May 2, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Yuuji Enoguchi, Masashi Yamamoto, Toshiya Natsuhara